Finding the Fourth Proportional to 3,129.31, 4,692.52 and 1,180.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,129.31 : 4,692.52 = 1,180.27 : x
2. Step 2: Convert to fraction form
   3,129.31/4,692.52 = 1,180.27/x
3. Step 3: Cross multiply
   3,129.31x = 4,692.52 × 1,180.27
4. Step 4: Simplify right side
   3,129.31x = 5,538,440.58
5. Step 5: Solve for x
   x = 5,538,440.58/3,129.31
6. Step 6: Final answer
   x = 1,769.86